truffle-config.js

const port = process.env.HOST_PORT || 9090

module.exports = {
  networks: {
    mainnet: {
      // Don't put your private key here:
      privateKey: process.env.PRIVATE_KEY_MAINNET,
      /*
Create a .env file (it must be gitignored) containing something like

  export PRIVATE_KEY_MAINNET=4E7FEC...656243

Then, run the migration with:

  source .env && tronbox migrate --network mainnet

      */
      userFeePercentage: 100,
      feeLimit: 1000 * 1e6,
      fullHost: 'https://api.trongrid.io',
      network_id: '1'
    },
    shasta: {
      privateKey: process.env.PRIVATE_KEY_SHASTA,
      userFeePercentage: 50,
      feeLimit: 6000 * 1e6,
      fullHost: 'https://api.shasta.trongrid.io',
      network_id: '2'
    },
    nile: {
      privateKey: process.env.PRIVATE_KEY_NILE,
      userFeePercentage: 100,
      feeLimit: 1000 * 1e6,
      fullHost: 'https://nile.trongrid.io',
      network_id: '3'
    },
    development: {
      // For tronbox/tre docker image
      privateKey: '0000000000000000000000000000000000000000000000000000000000000001',
      userFeePercentage: 0,
      feeLimit: 6000 * 1e6,
      fullHost: 'http://127.0.0.1:' + port,
      network_id: '9'
    }
  },
  compilers: {
    solc: {
      version: '0.8.15'
    }
  }
}